a) Dip the mouthpiece in boiling
water for approximately 12 seconds with a spoon.
b) Remove the mouthpiece from the water and
air cool it for 4 to 5 seconds.
c) Place mouthpiece in mouth around top teeth
and bite down firmly.
d) Use your finger to press the mouthpiece to
mold it to the contour of the upper teeth.
If the mouthpiece does not fit properly, repeat
steps a) thru steps c) again.
If the mouthpiece is too big, trim it with sharp
scissors.
